diff options
Diffstat (limited to 'drivers/scsi/bnx2fc/bnx2fc_fcoe.c')
| -rw-r--r-- | drivers/scsi/bnx2fc/bnx2fc_fcoe.c | 79 |
1 files changed, 78 insertions, 1 deletions
diff --git a/drivers/scsi/bnx2fc/bnx2fc_fcoe.c b/drivers/scsi/bnx2fc/bnx2fc_fcoe.c index d7029ea5d319..b0305b0fd21c 100644 --- a/drivers/scsi/bnx2fc/bnx2fc_fcoe.c +++ b/drivers/scsi/bnx2fc/bnx2fc_fcoe.c @@ -107,6 +107,21 @@ MODULE_PARM_DESC(debug_logging, "\t\t0x10 - fcoe L2 fame related logs.\n" "\t\t0xff - LOG all messages."); +uint bnx2fc_devloss_tmo; +module_param_named(devloss_tmo, bnx2fc_devloss_tmo, uint, S_IRUGO); +MODULE_PARM_DESC(devloss_tmo, " Change devloss_tmo for the remote ports " + "attached via bnx2fc."); + +uint bnx2fc_max_luns = BNX2FC_MAX_LUN; +module_param_named(max_luns, bnx2fc_max_luns, uint, S_IRUGO); +MODULE_PARM_DESC(max_luns, " Change the default max_lun per SCSI host. Default " + "0xffff."); + +uint bnx2fc_queue_depth; +module_param_named(queue_depth, bnx2fc_queue_depth, uint, S_IRUGO); +MODULE_PARM_DESC(queue_depth, " Change the default queue depth of SCSI devices " + "attached via bnx2fc."); + static int bnx2fc_cpu_callback(struct notifier_block *nfb, unsigned long action, void *hcpu); /* notification function for CPU hotplug events */ @@ -692,7 +707,7 @@ static int bnx2fc_shost_config(struct fc_lport *lport, struct device *dev) int rc = 0; shost->max_cmd_len = BNX2FC_MAX_CMD_LEN; - shost->max_lun = BNX2FC_MAX_LUN; + shost->max_lun = bnx2fc_max_luns; shost->max_id = BNX2FC_MAX_FCP_TGT; shost->max_channel = 0; if (lport->vport) @@ -1102,6 +1117,9 @@ static int bnx2fc_vport_create(struct fc_vport *vport, bool disabled) return -EIO; } + if (bnx2fc_devloss_tmo) + fc_host_dev_loss_tmo(vn_port->host) = bnx2fc_devloss_tmo; + if (disabled) { fc_vport_set_state(vport, FC_VPORT_DISABLED); } else { @@ -1495,6 +1513,9 @@ static struct fc_lport *bnx2fc_if_create(struct bnx2fc_interface *interface, } fc_host_port_type(lport->host) = FC_PORTTYPE_UNKNOWN; + if (bnx2fc_devloss_tmo) + fc_host_dev_loss_tmo(shost) = bnx2fc_devloss_tmo; + /* Allocate exchange manager */ if (!npiv) rc = bnx2fc_em_config(lport, hba); @@ -2293,6 +2314,7 @@ static int _bnx2fc_create(struct net_device *netdev, ctlr = bnx2fc_to_ctlr(interface); cdev = fcoe_ctlr_to_ctlr_dev(ctlr); interface->vlan_id = vlan_id; + interface->tm_timeout = BNX2FC_TM_TIMEOUT; interface->timer_work_queue = create_singlethread_workqueue("bnx2fc_timer_wq"); @@ -2612,6 +2634,15 @@ static int bnx2fc_cpu_callback(struct notifier_block *nfb, return NOTIFY_OK; } +static int bnx2fc_slave_configure(struct scsi_device *sdev) +{ + if (!bnx2fc_queue_depth) + return 0; + + scsi_change_queue_depth(sdev, bnx2fc_queue_depth); + return 0; +} + /** * bnx2fc_mod_init - module init entry point * @@ -2858,6 +2889,50 @@ static struct fc_function_template bnx2fc_vport_xport_function = { .bsg_request = fc_lport_bsg_request, }; +/* + * Additional scsi_host attributes. + */ +static ssize_t +bnx2fc_tm_timeout_show(struct device *dev, struct device_attribute *attr, + char *buf) +{ + struct Scsi_Host *shost = class_to_shost(dev); + struct fc_lport *lport = shost_priv(shost); + struct fcoe_port *port = lport_priv(lport); + struct bnx2fc_interface *interface = port->priv; + + sprintf(buf, "%u\n", interface->tm_timeout); + return strlen(buf); +} + +static ssize_t +bnx2fc_tm_timeout_store(struct device *dev, + struct device_attribute *attr, const char *buf, size_t count) +{ + struct Scsi_Host *shost = class_to_shost(dev); + struct fc_lport *lport = shost_priv(shost); + struct fcoe_port *port = lport_priv(lport); + struct bnx2fc_interface *interface = port->priv; + int rval, val; + + rval = kstrtouint(buf, 10, &val); + if (rval) + return rval; + if (val > 255) + return -ERANGE; + + interface->tm_timeout = (u8)val; + return strlen(buf); +} + +static DEVICE_ATTR(tm_timeout, S_IRUGO|S_IWUSR, bnx2fc_tm_timeout_show, + bnx2fc_tm_timeout_store); + +static struct device_attribute *bnx2fc_host_attrs[] = { + &dev_attr_tm_timeout, + NULL, +}; + /** * scsi_host_template structure used while registering with SCSI-ml */ @@ -2877,6 +2952,8 @@ static struct scsi_host_template bnx2fc_shost_template = { .sg_tablesize = BNX2FC_MAX_BDS_PER_CMD, .max_sectors = 1024, .track_queue_depth = 1, + .slave_configure = bnx2fc_slave_configure, + .shost_attrs = bnx2fc_host_attrs, }; static struct libfc_function_template bnx2fc_libfc_fcn_templ = { |